1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

In the detection of II group acid radical, the salt containing chloride is treated with concentrated sulphuric acid, the colourless gas is liberated. The name of the gas is

A
hydrogen chloride gas
B
chlorine gas
C
sulphur dioxide gas
D
hydrogen gas
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The number of six membered and five membered rings in Buckminster fullerene respectively is

A
20, 12
B
12, 20
C
14, 18
D
14, 11
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following compound on heating gives $$\mathrm{N}_2 \mathrm{O}$$ ?

A
$$\mathrm{Pb}\left(\mathrm{NO}_3\right)_2$$
B
$$\mathrm{NH}_4 \mathrm{NO}_3$$
C
$$\mathrm{NH}_4 \mathrm{NO}_2$$
D
$$\mathrm{NaNO}_3$$
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following property is true for the given sequence?

$$\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3>\mathrm{BiH}_3 \text { ? }$$

A
Reducing property
B
Thermal stability
C
Bond angle
D
Acidic character
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