IAT_NEST Chemistry MCQ Practice

Practice Questions

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Q1SingleMarks: 4.00Negative: -1.00

Which complex is expected to be coloured?

A. [Al(H2O)6]3+B. [Zn(H2O)6]2+C. [Ni(H2O)6]2+D. [Mg(H2O)6]2+

Q2SingleMarks: 4.00Negative: -1.00

If a proton carried twice an electron’s charge magnitude, what P, N and E would neutral 23Na contain?

A. P=12, N=11, E=23B. P=11, N=12, E=23C. P=11, N=12, E=11D. P=11, N=12, E=22

Q3SingleMarks: 4.00Negative: -1.00

2-Phenylcyclohexanone undergoes EtMgBr/H2O, dehydration, then reductive ozonolysis. Identify the major product.

A. Starting ketone-like structure AB. Dialdehyde/diketone structure BC. EtCO-(CH2)4-COPhD. Aldehyde/diketone structure D

Q4SingleMarks: 4.00Negative: -1.00

Arrange compounds i–iv shown in the paper in decreasing basicity.

A. i > iv > iii > iiB. iii > i > iv > iiC. i > iii > iv > iiD. ii > i > iii > iv

Q5SingleMarks: 4.00Negative: -1.00

Which complex can exist as a pair of enantiomers?

A. [Co(en)3]3+B. trans-[Co(en)2Cl2]+C. [Co(NH3)4Cl2]+D. [Co{P(C2H5)3}2ClBr]

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