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underset(N)(C(4)H(10)O)underset(H(2)SO(4...

`underset(N)(C_(4)H_(10)O)underset(H_(2)SO_(4))overset(K_(2)Cr_(2)O_(7))(to)C_(4)H_(8)Ounderset("warm")overset(I_(2)//NaOH)(to)CHI_(3)`
Here N is

A

B

C

D

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Give the structure of the compounds in the following reactions CH_(2)=CH-CH_(2)OH overset(CrO_(3).2C_(5)H_(5)N)underset(CH_(2)Cl_(2))rarr[A]underset(H^(+))overset(CH_(3)OH)rarrunderset(C_(5)H_(10)O_(2))([B])underset(("Cold,dil"))overset(KMnO_(4)//OH^(-))rarrunderset((C_(5)H_(12)O_(4)))([C])overset(H_(3)O^(+))rarrunderset((C_(3)H_(6)O_(3)))([D])

Consider the following reaction underset("Ester(x)")underset()(C_(4)H_(8)O_(2)) underset("(ii)"H_(3)O^(+))overset((i)CH_(3)MgBr("Excess"))to underset("Alcohol(Y)")underset()(C_(4)H_(10)O) Alcohol (Y) reacts fastest with Lucas reagent. Therefore (X) and (Y) are

H_(3)C-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH=CH_(2) to H_(3)C-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-underset(OH)underset(|)(CH)-CH_(3) . This change can be done by.

2 -chloro 2 - methylpentane on reaction with sodium methoxide in methanol yields : C_(2)H_(5)CH_(2)underset((a))underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-OCH_(3) " " C_(2)H_(5)CH_(2)underset((b))underset(CH_(3))underset(|)C =CH_(2) " " C_(2)H_(5)CH=underset ((c))underset (CH_(3))underset(|)C-CH_(3)

Write the structural formula of the compound of A to F . (a) CH_(2) = CH_(2) overset(Pd Cl_(2) + H_(2)O)underset(CuCl_(2)//O_(2))(to) A overset(Zn - Hg)underset("Conc. " HCl)(to) B (b) CH_(3) C -= CH overset( (i) Na + Liq. NH_(3))underset((ii) CH_(3) I)(to) C overset(1 % HgSO_(4))underset(20% H_(2)SO_(4))(to) D (c) CH_(3) CH = CH_(2) overset(HBr)(to) E overset(Na)underset( "dry Ether ")(to) F

Complete the following (i) CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-OH underset(H_(2)SO_(4))overset("heat")rarr?underset(("Ozonolysis"))overset(O_(3))rarroverset(H_(2),Ni)rarr?

(CH_(3))_(2)CO+HCNrarr[A]overset(H_(3)O^(+))rarr[B]underset("Heat")overset(H_(2)SO_(4))rarr[C]

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2018-CHEMISTRY
  1. Identify M in the following sequence of reactions:

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  2. Methoxybenzene on treatment with HI produces

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  3. underset(N)(C(4)H(10)O)underset(H(2)SO(4))overset(K(2)Cr(2)O(7))(to)C(...

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  4. The correct order of reactivity for the addition reaction of the follo...

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  5. If aniline is treated with conc. H(2)SO(4) and heated at 200^(@)C the ...

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  6. Which of the following electronic configuration is not possible?

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  7. The number of unpaired electros is Ni( atomic number =28) are

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  8. Which of the following has the strongest H-bond?

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  9. The half life of C^(14) is 5760 years. For a 200 mg sample of C^(14), ...

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  10. Ferric ion forms a Prussian blue precipitate due to the formation of

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  11. The nucleus ""(29)^(64)CU accepts an orbital electron to yield

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  12. How many moles of electrons will weigh one kiligram?

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  13. Equal weights of ethane and hydrogen are mixed in an empty container a...

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  14. The heat of neutralization of a strong base and a strong acid is 13.7 ...

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  15. A compound formed by elements X and Y crystallizes in the cubic struct...

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  16. What amount of electricity can deposit 1 mole of AI metal at cathode w...

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  17. Give the standard half cell potentials (E^(@)) ef the following as Z...

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  18. [X]+"dil".H(2)SO(4)to[Y] : Colourless, suffocating gas [Y]+K(2)Cr(2)...

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  19. [P]overset(Br(2))(to)C(2)H(4)Br(2)underset(NH(3))overset(NaNH(2))(to)[...

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  20. The number of possibel organobromine compounds which ca be obtained in...

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