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The calculated spin only magnetic moment of Cr2+ Cr^{2+} Cr2+ ion is:
Match the following and identify the correct option.
The mixture which shows positive deviation from Raoult’s law is:
Identify the correct statement from the following:
Urea reacts with water to form A which will decompose to form B. B when passed through Cu2+^{2+} 2+(aq), deep blue colour solution C is formed. What is the formula of C from the following?
Hydrolysis of sucrose is given by the following reaction: \\ Sucrose+H2O⇌ + H_2O \rightleftharpoons +H2O⇌Glucose+ + +Fructose \\ If the equilibrium constant Kc K_c Kc is 2×1013 2 \times 10^{13} 2×1013 at 300 K, the value of ΔrG0 \Delta_r G^0 ΔrG0 at the same temperature will be:
Identify the incorrect match: \newline Name IUPAC Official Name \newline (a) Unnilunium (i) Mendelevium \newline (b) Unniltrium (ii) Lawrencium \newline (c) Unnilhexium (iii) Seaborgium \newline (d) Unununnium (iv) Darmstadtium
Which of the following is a basic amino acid?
What is the change in oxidation number of carbon in the following reaction? \\ CH4(g)+4_4(g) + 44(g)+4Cl2(g)→_2(g) \rightarrow 2(g)→CCl4(l)+4_4(l) + 44(l)+4HCl(g)(g)(g)
Sucrose on hydrolysis gives:
The number of Faradays (F) required to produce 20 g of calcium from molten CaCl2_2 2 (Atomic mass of Ca=40 = 40 =40 g mol−1)^{-1}) −1) is:
For the reaction, 2 22Cl(g)→(g) \rightarrow (g)→Cl2(g),_2(g), 2(g), the correct option is:
The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP, and with Na, is responsible for the transmission of nerve signals.
Identify the incorrect statement.
An increase in the concentration of the reactants of a reaction leads to a change in:
Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as:
A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following?
Find out the solubility of Ni(OH)2_2 2 in 0.1 M NaOH. Given that the ionic product of Ni(OH)2_2 2 is 2×10−15. 2 \times 10^{-15}.2×10−15.
Identify a molecule which does not exist.
Elimination reaction of 2-Bromo-pentane to form pent-2-ene is:(a)β \\ (a) \beta(a)β-Elimination reaction(b) \\ (b) (b)Follows Zaitsev rule(c) \\ (c) (c)Dehydrohalogenation reaction(d) \\ (d) (d)Dehydration reaction
Measuring Zeta potential is useful in determining which property of colloidal solution?
The number of protons, neutrons, and electrons in 71175 ^{175}_{71}71175Lu,, , respectively, are:
Identify the correct statements from the following:(a) \\ (a) (a)CO2(g)_2(g) 2(g) is used as a refrigerant for ice-cream and frozen food.(b) \\ (b) (b)The structure of C60_60 60 contains twelve six-carbon rings and twenty five-carbon rings.(c) \\ (c) (c)ZSM-5, a type of zeolite, is used to convert alcohols into gasoline.(d) \\ (d) (d)CO is a colorless and odorless gas.
An element has a body-centered cubic (bcc) structure with a cell edge of 288 288 288 pm. The atomic radius is:
Paper chromatography is an example of:
Which of the following oxoacid of sulphur has a −O−O− -O-O- −O−O− linkage?
The rate constant for a first-order reaction is 4.606×10−3 4.606 \times 10^{-3} 4.606×10−3 s−1.^{-1}. −1. The time required to reduce 2.0 2.0 2.0 g of the reactant to 0.2 0.2 0.2 g is:
Which of the following alkane cannot be made in good yield by Wurtz reaction?
Match the following:
A mixture of N2 N_2 N2 and Ar gases in a cylinder contains 7 g of N2 N_2 N2 and 8 g of Ar. If the total pressure of the mixture of the gases in the cylinder is 27 bar, the partial pressure of N2 N_2 N2 is: \\ [Use atomic masses (in g mol−1^{-1}−1): N=14,Ar=40] N=14, Ar=40]N=14,Ar=40]
An alkene on ozonolysis gives methanal as one of the products. Its structure is:
The freezing point depression constant (Kf_ff) of benzene is 5.12 5.12 5.12 K kg mol−1.^{-1}. −1.The freezing point depression for the solution of molality 0.078 0.078 0.078 m containing a non-electrolyte solute in benzene is (rounded off upto two decimal places):
The correct option for free expansion of an ideal gas under adiabatic condition is:
Which one of the following has maximum number of atoms?
Identify compound X in the following sequence of reactions:
Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?
Which of the following is a natural polymer?
Which of the following set of molecules will have zero dipole moment?
HCl was passed through a solution of CaCl2_22, MgCl2_22 and NaCl. Which of the following compound(s) crystallise(s)?
Which of the following is not correct about carbon monoxide?
Anisole on cleavage with HI gives:
Which of the following amines will give the carbylamine test?
Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give:
On electrolysis of dilute sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be:
Which of the following is a cationic detergent?