1
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–
2
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
$$ - {1 \over 3}{{d\left[ {{H_2}} \right]} \over {dt}} = -{1 \over 2}{{d\left[ {N{H_3}} \right]} \over {dt}}$$
3
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
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is incorrect statement?
A
GeX4(X = F, Cl, Br, I) is more stable than GeX2
B
SnF4 is ionic in nature
C
PbF4 is covalent in nature
D
SiCl4 is easily hydrolysed