\(\Lambda _{m(NH_{4}OH)}^{o}\) is equal to -
1. \(\Lambda _{m(NH_{4}OH)}^{o} \ + \ \Lambda _{m(NH_{4}Cl)}^{o} \ - \ \Lambda _{m(HCl)}^{o}\)
2. \(\Lambda _{m(NH_{4}Cl)}^{o} \ + \ \Lambda _{m(NaOH)}^{o} \ - \ \Lambda _{m(NaCl)}^{o}\)
3. \(\Lambda _{m(NH_{4}Cl)}^{o} \ + \ \Lambda _{m(NaCl)}^{o} \ - \ \Lambda _{m(NaOH)}^{o}\)
4. \(\ \Lambda _{m(NaOH)}^{o} \ + \ \Lambda _{m(NaCl)}^{o}\ - \ \Lambda _{m(NH_{4}Cl)}^{o}\)

Subtopic:   Kohlrausch Law & Cell Constant |
 88%
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 Λm°H2O can be represented by-

a.  Λ°m(HCl)+Λ°m(NaOH)°-ΛmNaCl°

b.  Λ°mHNO3+Λ°mNaNO3-ΛmNaOH°

c.  Λ°mHNO3+Λ°mNaOH-ΛmNaNO3°

d.  Λ°mNH4OH+Λ°m(HCl)-Λ°mNH4Cl


1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)

Subtopic:   Kohlrausch Law & Cell Constant |
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Assertion (A): Λm for weak electrolytes shows a sharp increase when the electrolytic solution is diluted.
Reason (R): For weak electrolytes degree of dissociation increases with a dilution of the solution.
  
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:   Kohlrausch Law & Cell Constant |
 80%
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