1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

In electrophilic aromatic substitution reaction, the nitro group is meta-directing because it

A
decreases electron density at ortho-and para-positions
B
decreases electron density at meta-position
C
increases electron density at meta-position
D
increases electron density at ortho-and para-positions
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

Which of the following acts as interstitial hydride?

A
$$\mathrm{NH}_3$$
B
$$\mathrm{CH}_4$$
C
$$\mathrm{ZnH}_2$$
D
$$\mathrm{H}_2 \mathrm{O}$$
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

Match the following columns.

Column I Column II
(A) Sodium perborate 1 Disinfectant
(B) Chlorine (Q) Antiseptic
(C) Bithional (R) Milk bleaching agent
(D) Potassium stearate (S) Soap

Choose the correct options.

A
A - 1, B - 2, C - 3, D - 4
B
A - 2, B - 3, C - 4, D - 1
C
A - 3, B - 1, C - 2, D - 4
D
A - 4, B - 1, C - 2, D - 3
4
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

Which one of the following is/are linear structure?

I. $$\mathrm{I}_3^{-}$$

II. $$\mathrm{NO}_2^{-}$$

III. $$\mathrm{I}_3^{+}$$

IV. $$\mathrm{SO}_2$$

V. $$\mathrm{N}_3^{-}$$

A
I, II and III
B
I and V
C
II, III and IV
D
All of these
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12