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A : Magnesium do not impact flame colour...

A : Magnesium do not impact flame colourtion.
R : The `e^(-)` in magnesium are too strongly bound to get excited by flame.

A

If both Assertion & Reason are true and the reason is the correct explanantion of the assertion, then mark (1).

B

If both Assertion & Reason are true and the reason is not the correct explanantion of the assertion, then mark (2).

C

If Assertion is true statement but Reason is false. Them mark (3).

D

If both Assertion and reason are false statement, then mark (4).

Text Solution

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The correct Answer is:
A
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Answer the following : (a) Why inert gases are monoatomic ? (b) Potassium (K) is strongly metallic, while Cl is strongly non-metallic. Explain. ( c) Why metals are good conductors of electricity ? (d) Comment on 'Iodine possesses some metallic lusture'. (e) Of all noble metals, gold (Au) has a relatively high EA . Explain. (f) In alkali metal which element is the strongest reducing agent in aqueous solution and why? (g) Cl and be converted to Cl^(ɵ) ion easily than F to F^(ɵ) ion. Explain. (h) Why Al(OH)_(3) is amphoteric in nature ? (i) Why Be and Mg do not impart flame colouration? (j) The IE of K is same as EA of K^(o+) ion. Explain. (k) Explain the large atomic radii of noble gases.

AAKASH INSTITUTE- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
  1. A : Magnesium do not impact flame colourtion. R : The e^(-) in magne...

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  2. A : p - nitrophenol has high pK(a) in comparison to o-nitrophenol ...

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  3. A : When C(2) H(5) - O- CH(3) is reacted with oen mole of Hl then C(2...

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  4. A : When 3,3-dimethyl butan - 2 - ol is heated in presence of concentr...

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  5. A : In esterification reaction , HCOOH is the most reactive acid among...

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  6. A : Ethers can't be distilled upto dryness due to fear of explosion . ...

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  7. A : Phenol does not react with NaHCO(3) . R : Phenol is less acid...

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  8. A : CH(3) - underset(O)underset(||)(C)-COOH gives haloform reaction ...

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  9. A : Diphenyl ether is prepared by Williamson synthesis . R : This...

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  10. A : Grignard's reagent is prepared in the presence of ether . R :...

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  11. A : CH(3) - underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-CH=...

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  12. A : Two moles of Grignard reagent is consumed in the formation of ter...

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  13. A : CH(3)-underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-O-CH...

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  14. A : Ortho - cresol is weaker acidic than meta-cresol . R : It is d...

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  15. A : Among all ortho halophenol , fluorophenol is least acidic . R ...

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  16. A : In esterification reaction alcohol act as nucleophile . R : ...

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  17. A : Phenol is manufactured by Dow 's pocess. R : It involves the ...

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  18. A : Primary alcohol is prepared by the reaction of primary amine with ...

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  19. A : Thte reactivity order of alcohols is 1^(@) gt 2^(@) gt 3^(@) for...

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  20. A : The dehydration of ethyl alcohol in presence of Al(2)O(2) at 633 ...

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