1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code : NEET 2019 Chemistry - p-Block Elements Question 28 English
A
(a) (b) (c) (d)
(ii) (iii) (i) (iv)
B
(a) (b) (c) (d)
(iii) (iv) (i) (ii)
C
(a) (b) (c) (d)
(i) (ii) (iii) (iv)
D
(a) (b) (c) (d)
(ii) (iii) (iv) (i)
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following species is not stable?
A
[Sn(OH)6]2-
B
[SiCl6]2–
C
[SiF6]2–
D
[GeCl6]2–
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
For the chemical reaction
N2(g) + 3H2(g) ⇌ 2NH3(g)
the correct option is :
A
$$ - {{d\left[ {{N_2}} \right]} \over {dt}} = 2{{d\left[ {N{H_3}} \right]} \over {dt}}$$
B
$$ - {{d\left[ {{N_2}} \right]} \over {dt}} = {1 \over 2}{{d\left[ {N{H_3}} \right]} \over {dt}}$$
C
$$3{{d\left[ {{H_2}} \right]} \over {dt}} = 2{{d\left[ {N{H_3}} \right]} \over {dt}}$$
D
$$ - {1 \over 3}{{d\left[ {{H_2}} \right]} \over {dt}} = -{1 \over 2}{{d\left[ {N{H_3}} \right]} \over {dt}}$$
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The non-essential amino acid among the following is :
A
alanine
B
lysine
C
valine
D
leucine