1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

The pH of the solution containing 50 mL each of 0.10 M sodium acetate and 0.01 M acetic acid is [Given pKa of CH3COOH = 4.57]

A
5.57
B
3.57
C
4.57
D
2.57
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Match List-I with List-II.

List - I
(Products formed)
List - II
(Reaction of carbonyl compound with)
(a) Cyanohydrin (i) NH$$_2$$OH
(b) Acetal (ii) RNH$$_2$$
(c) Schiff's base (iii) Alcohol
(d) Oxime (iv) HCN

Choose the correct answer from the options given below

A
(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
B
(a) - (ii), (b) - (iiii), (c) - (iv), (d) - (i)
C
(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)
D
(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Which amongst the following is incorrect statement?

A
The bond orders of O$$_2^ + $$, O2, O$$_2^ - $$ and O$$_2^ {2-} $$ are 2.5, 2, 1.5 and 1, respectively
B
C2 molecule has four electrons in its two degenerate $$\pi$$ molecular orbitals
C
H$$_2^ + $$ ion has one electron
D
O$$_2^ + $$ ion is diamagnetic
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Given below are two statements:

Statement I : In Lucas test, primary, secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. HCl + ZnCl2, known as Lucas Reagent.

Statement II : Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas Reagent.

In the light of the above statements, choose the most appropriate answer from the options given below:

A
Both Statement I and Statement II are correct
B
Both Statement I and Statement II are incorrect
C
Statement I is correct but Statement II is incorrect
D
Statement I is incorrect but Statement II is correct
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