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How many are redox reaction- `{:((i),K_(4)[Fe (CN)_(6)] + "conc."H_(2)SO_(4) overset(Delta)rarr,(ii),"conc." H_(2)SO_(4) + KCl rarr),((iii),"conc." H_

Monjur Alahi

How many are redox reaction-
`{:((i),K_(4)[Fe (CN)_(6)] + "conc."H_(2)SO_(4) overset(Delta)rarr,(ii),"conc." H_(2)SO_(4) + KCl rarr),((iii),"conc." H_(2)SO_(4) + KBr rarr,(iv),"conc." H_(2)SO_(4) + NH_(3) rarr),((v),"conc." H_(2)SO_(4) + KNO_(3) rarr,(vi),"conc." H_(2)SO_(4) + PCl_(5) rarr),((vii),"conc." H_(2)SO_(4) + COCl_(2) rarr,(viii),"conc." H_(2)SO_(4) + Zn rarr),((ix),"conc." H_(2)SO_(4) + Cu rarr,,):}`


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Salim Ahmed Kawsar

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Correct Answer - 3(iii, viii, ix)

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Write structure of the products formed: (a) `CH_(3)CH_(2)COOHunderset(Delta)overset(cl_(2),"red"P_(4))to` (b) `C_(6)H_(5)COClunderset(Delta)overset(H_

(a) `CH_(3)-CH(Cl)-COOH` (b) `C_(6)H_(5)CHO`

2 Answers 1 views
`Fe^(3+)overset(SCN^(-) ("excess"))rarr "Blood red (A)" overset(F^(-)("excess"))rarr "Colourless (B)"` Identify A and B. (i) Write IUPAC name of A and

Correct Answer - `(5.92 BM)`

2 Answers 1 views
A radioactive nucleus undergoes a series of decays according to the sequence : `A overset(beta)rarr A_(1) overset(alpha)rarr A_(2) overset(alpha) rarr

Correct Answer - Mass number = 180, Atomic number = 72

2 Answers 1 views
In how many of the following reactions `N_(2)` gas may be released `{:((a) NH_(4)NO_(2) overset(Delta)rarr,(b) (NH_(4))_(2) Cr_(2)O_(7) overset(Delta)

Correct Answer - 9(a,b,c,d,e,f,g,h and i)

2 Answers 1 views
Identify the products in the following disproportional reaction and also mention rate determining step. `2H-overset(D)overset(|)(C)=O + overset(@)(O)H

Correct Answer - (P) = D-overset(O)overset(||)(C)- overset(Theta)(O) " " (Q) =D-CH_(2)-OH`

2 Answers 1 views
The product P of the following reaction is `CH_(3)-COOH overset(LiAlH_(4))to overset(SOCl_(2))to overset(Koverset(14)(C)N)to overset(H_(3)O^(o+)) to P

Correct Answer - `CH_(3)-CH_(2)-overset(14)(C)OOH`

2 Answers 1 views
`CH_(3)COOH overset((i) PCl_(3)+Cl_(2) ("excess"))underset((ii) O_(2))to (X) overset(SOCl_2) to (Y) overset(H_(2)//Pd//BaSO_(4))to(Z) overset(OH^(-))t

Correct Answer - `X=Cl_(3)C-underset(O)underset(||)(C)-OH,Y=Cl_(3)C-underset(O)underset(||)(C)-Cl,Z=Cl_(3)C-underset(O)underset(||)(C)-H,W=CHCl_(3),S=HCOO^(Theta)`

2 Answers 1 views
`Ph-NO_(2) overset(Sn//HCl)rarr underset("HCl, " 0^(@)C-5^(@)C)overset(NaNO_(2))rarr underset(Ph-OH)overset("Basic medium")rarr "Product Y"` Find the

Correct Answer - 99

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In case of an adiabatic irreversible process the following must be correct \( \Delta T_{\text {sys }}=0 \) \( \Delta S_{\text {surr }}=0 \) \( \Delta S_{\text {sys }}

We have given, Adiabatic irreversible process. It means, q = 0 (There is no heat exchange between system and surrounding) We know that, ΔSsurr = qirr/T = 0/T = 0 ∴ ΔSsurr = 0.

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298 K पर एक चालकता सेल जिसमे `0.001 M KCl` विलयन है, का प्रतिरोध `1500 Omega` है । यदि `0.001 M KCl` विलयन की चालकता 298 K पर `0.146xx10^(-3) S cm^(-1

Correct Answer - `0.219 cm^(-1)`

2 Answers 1 views

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