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Both CO2 and SO2...

Both `CO_2 and SO_2`

A

turns lime water milky, however on passing excess of the gas, the solution becomes clear

B

are colourless

C

support the combustion of a burning magnesium ribbon.

D

turns acidified `K_2Cr_2O_7` solution green.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
Both `SO_2` and `CO_2` turns lime water milky.
`Ca(OH)_2(aq)+CO_2(g)to CaCO_3(s)+H_2O(l)`
`Ca(OH)_2(aq)+SO_2(g)to CaSO_3(s)+H_2O(l)`
On passing excess of the gas, the solutions become clear.
`CaCO_3(s)+CO_2(g)+H_2O(l)toCa(HCO_3)_2(aq)`
`CaSO_3(s)+SO_2(g)+H_2O(l)toCa(HSO_3)_2(aq)`
Both `CO_2` and `SO_2` are colourless gas
Both `CO_2` and `SO_2` support the combustion of burning magnesium
`CO_2(g)+2Mg(s)to2MgO(s)+C(s)`
`SO_2(g)+2Mg(s)to2MgO(s)+S(s)`
Only `SO_2` turns `K_2Cr_2O_7//H^(+)` solution green.
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Knowledge Check

  • Assertion (A) : Both CO_2 snd SiO_2 have same strucitrue . Reason (R) : CO_2 is a gas , whereas SiO_2 is a solide .

    A
    If both (A) and (R) are correct and (R) is correct explanation of (A)
    B
    If both (A) and (R) are correct and (R) is not correct explanation of (A)
    C
    If (A) is correct , but (R) is incorrect
    D
    If (A) is incorrect but (R) is correct.

  • STATEMENT-1: Both CO_(2) and SiO_(2) have same structure. and STATEMENT-2: CO_(2) is a gas while SIO_(2) is a crystalline compound.

    A
    STATEMENT-1 is True, STATEMENT-2 is True, STATEMENT-2 is a correct explanation for STATEMENT-1.
    B
    STATEMENT-1 is True, STATEMENT-2 is True, STATEMENT-2 is NOT a correct explanation for STATEMENT-1
    C
    STATEMENT-1 is True, STATEMENT-2 is False
    D
    STATEMENT-1 is False, STATEMENT-2 is True.

  • Both CO_(2) and H_(2) gases are :

    A
    Heavier than air
    B
    colourless
    C
    acidic in nature
    D
    soluble in water.