Q.
Which of the following gases are colorless but have specific odor?
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a
O2 ; Cl2
b
I2 ; Cl2
c
NH3 ; SO2
d
O2 ; CO2
answer is C.
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Detailed Solution
I) O2→ Colorless ; Cl2→colorless gasII) I2,Cl2 are gases −I2 Violet) ;Cl2 (Greenish Yellow) III) NH3→SO2; Colorless and NH3 has pungent small ; SO2 has suffocating odour IV) Colorless and odourless.
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