1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Two half cell reactions are given below.

$$C{o^{3 + }} + {e^ - } \to C{o^{2 + }},\,\,\,\,\,\,\,\,\,E_{C{o^{2 + }}/C{o^{3 + }}}^0 = - 1.81\,V$$

$$2A{l^{3 + }} + 6{e^ - } \to 2Al(s),\,\,\,E_{Al/A{l^{3 + }}}^0 = + 1.66\,V$$

The standard EMF of a cell with feasible redox reaction will be :

A
$$-$$3.47 V
B
+7.09 V
C
+0.15 V
D
+3.47 V
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Match List-I with List-II :

List-I
(Compounds)
List-II
(Molecular formula)
(a) Borax (i) NaBO$$_2$$
(b) Kernite (ii) Na$$_2$$B$$_4$$O$$_7$$ . 4H$$_2$$O
(c) Orthoboric acid (iii) H$$_3$$BO$$_3$$
(d) Borax bead (iv) Na$$_2$$B$$_4$$O$$_7$$ . 10H$$_2$$O

Choose the correct answer from the options given below :

A
(a) - (i), (b) - (iii), (c) - (iv), (d) - (ii)
B
(a) - (iv), (b) - (ii), (c) - (iii), (d) - (i)
C
(a) - (ii), (b) - (iv), (c) - (iii), (d) - (i)
D
(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The correct order of first ionization enthalpy for the given four elements is :

A
C < F < N < O
B
C < N < F < O
C
C < N < O < F
D
C < O < N < F
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Match List-I with List-II :

List-I
(Defects)
List-II
(Shown by)
(a) Frenkel defect (i) Non-ionic solids and density of the solid decreases
(b) Schottky defect (ii) Non-ionic solids and density of the solid increases
(c) Vacancy defect (iii) Ionic solids and density of the solid decreases
(d) Interstitial defect (iv) Ionic solids and density of the solid remains constant

Choose the correct answer from the options given below :

A
(a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)
B
(a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)
C
(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)
D
(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
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