Chemistry - 2016 Past Year Paper - Chemistry MCQ

The most basic amino acid among the following is

The crystal field stabilization energy (CFSE) in [Mn(H₂O)₆]²⁺ is

Indicator used in redox titration is

Among the following, the compound that has the lowest degree of ionic character is

The correct order of entropy for various states of CO₂ is

The coordination numbers of Cs⁺ and Cl^– ions in the CsCl structure, respectively, are

Determinant of a square matrix is always

The correct order of ¹H NMR chemical shiftvalues for the labeled methyl groups in the following compound is

Among the following, the most stable conformation of meso-2,3-dibromobutane is

The major products X and Y in the following reaction sequence are

The major product formed in the reaction of butanenitrile with phenylmagnesium bromide followed by acidification is

An organic compound on reaction with 2,4-dinitrophenylhydrazine (2,4-DNP) gives a yellow precipitate. It also gives silver mirror on reaction with ammoniacal AgNO₃. It gives an alcohol and sodium salt of a carboxylic acid on reaction with concentrated NaOH. It yields benzene-1,2-dicarboxylic acid on heating with alkaline KMnO₄. The structure of the compound among the following is

The major products X and Y in the following reaction sequence are

The TRUE statement about [Cu(H₂O)₆]²⁺ is

The complexes [Pt(CN)₄]^2– and [NiCl₄]^2–, respectively, are

The value of ‘x’ in [Cu(CO)_x]⁺ such that it obeys the 18 electron rule is

The correct order of ν_NO (cm^–1) in the following compounds is

The red color of ruby is due to

The final products in the reaction of BF₃ with water are

The correct order of bond angles in BF₃, NH₃, NF₃ and PH₃ is

The maximum of a function

At 298 K, 0.1 mol of ammonium acetate and 0.14 mol of acetic acid are dissolved in 1 L of water. The _pH of the resulting solution is
[Given: _pK_a of acetic acid is 4.75]

An electrochemical cell consists of two half-cell reactions
AgCl(s) + e^– → Ag(s) + Cl^–(aq)
Cu(s) → Cu²⁺(aq) + 2e^–

The mass of copper (in grams) dissolved on passing 0.5 A current for 1 hour is
[Given: atomic mass of Cu is 63.6; F = 96500 C mol^–1]

For a zero order reaction, the half-life depends on the initial concentration [C₀] of the reactant as

The effective nuclear charge of helium atom is 1.7. The first ionization energy of helium atom in eV is

The relationship between the van der Waals ‘b’ coefficient of N₂ and O₂ is

From the kinetic theory of gases, the ratio of most probable speed (Cmp) to root mean square speed (Crms) is