1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Which of the following is a positively charged sol?

A
Methylene blue sol
B
Congo red sol
C
Silver sol
D
Sb$$_2$$S$$_3$$ sol
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List - I with List - II

List - I
(Mixtures/Sample)
List - II
(Technique used for purification)
(A) Glycerol from spent lye (I) Steam distillation
(B) Chloroform + Aniline (II) Fractional distillation
(C) Fractions of crude oil (III) Distillation under reduced pressure
(D) Aniline + Water (IV) Distillation

Choose the correct answer from the options given below :

A
(A) - (III), (B) - (IV), (C) - (II), (D) - (I)
B
(A) - (IV), (B) - (II), (C) - (I), (D) - (III)
C
(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
D
(A) - (I), (B) - (III), (C) - (II), (D) - (IV)
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Which amongst the following reactions of alkyl halides produces isonitrile as a major product?

(A) $$\mathrm{R-X+HCN\to}$$

(B) $$\mathrm{R-X+AgCN\to}$$

(C) $$\mathrm{R-X+KCN\to}$$

(D) $$\mathrm{R-X+NaCN\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{{C_2}{H_5}OH}^{{H_2}O}}}$$

Choose the most appropriate answer from the options given below:

A
(D) only
B
(C) and (D) only
C
(B) only
D
(A) and (B) only
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Match the List - I with List - II

List - I
(Hydride)
List - II
(Type of Hydride)
(A) $$\mathrm{NaH}$$ (I) Electron precise
(B) $$\mathrm{PH_3}$$ (II) Saline
(C) $$\mathrm{GeH_4}$$ (III) Metallic
(D) $$\mathrm{LaH_{2.87}}$$ (IV) Electron rich

Choose the correct answer from the options given below :

A
(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
B
(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
C
(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
D
(A)-(II), (B)-(IV), (C)-(I), (D)-(III)
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