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Assertion (A) : Carbon monoxide is a po...

Assertion (A) : Carbon monoxide is a posonous gas .
Reason (R) : Caron monoxide combines with haemoglobin of blood to form carboxy-haemoglonbin whith is not capable of asorbing oxygen .

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

Text Solution

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The correct Answer is:
A
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Assertion : Carbon monoxide is a poisonous gas Reason : Carbon monoxide combines with hameoglobin to form carboxy-haemoglobin which prevents absorption of oxygen by it.

Carbon monoxide combines with hemoglobin of red blood corpuscles to form _____

Knowledge Check

  • Carbon monoxide combines with haemoglobin of form:

    A
    Carboxyhaemoglobin
    B
    Carbaminohaemoglobin
    C
    Oxyheamoglobin
    D
    None of these

  • compound that combines with haemoglobin of blood to form carboxy haemoglobin of blood to form carboxy haemoglobin is

    A
    `N_(2)O`
    B
    `OF_(2)`
    C
    `CO_(2)`
    D
    CO

  • Assertion : Carbon monoxide combines with haemoglobin. Reason: Co has more affinity for haemoglobin.

    A
    Assertion is True, Reason is True, Reason is correct explanation for Assertion
    B
    Assertion is True, Reason is True, Reason is not correct explanation for Assertion
    C
    Assertion is True, Reason is False
    D
    Assertion is False, Reason is True

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    Assertion (A): The blood of annelids is red in colour . Reason (R): The blood of annelids possess haemoglobin in red blood cells.

    Assertion (A): Carbon dioxide is a compound Reason (R) : Carbon and Oxygen combine together in the ratio 3:8 by mass.

    Assertion. Carbon monoxide is highly toxic. Reason. Carbon monoxide forms a stable complex with haemoglobin present in red blood cells.

    Identify the correct statements . A. Calorific value is amount of heat energy produced on complete combusion of 1 kg fuel . B. Calorific value is expressed as kJ/gm . C. Incomplete combustion of fuels release carbon monoxide gas Carbon monoxide gas high affinity for haemologlobin in D. Carbon monoxide gas high affinity for haemoglobin .It forms carboxyhaemoglobin in body reduces oxygen carrying capacity of blood . Codes

    Carbon monoxide combines with the haemoglobin present in blood and produces a complex substance is ______.

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