Fehling solution gives red precipitate with.....

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Second period elements of p-Block differs from the rest of their group members due to their small atomic size, high electronegativity, high ionization enthalpy and absence of d-orbitals. The elements from the second period like C, N, O have unique property of forming \(p \pi-p \pi\) multiple bonds whereas other heavier elements of p-block form \(d \pi-p \pi\) multiple bonds. This changes the properties of second period elements to great extent. Also the single bond strength of the p-block elements with their own atoms gets affected by their atomic size and presence of lone pairs.
Inert pair effect also affects the properties of the p-Block elements especially for those elements which are present from 4th period onward and this happens due to poor screening effect of inner (n-1)d subshell electrons.
Phosphorus forms \(PF _5\) but nitrogen cannot form \(NF _5\) as:

In a pure crystal, the lattice point cannot be occupied by:

Which of the following compounds comprise of a phenolic group?
(A) Salicylic acid
(B) Salicylaldehyde
(C) Cresol
(D) Catechol
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Which of the following statements about the rate of a chemical reaction are correct?
(A) The rate of reaction is always proportional to the concentration of reactants
(B) An exponential time course is followed by the first order reaction
(C) The unit of rate of reaction in the gaseous state is atm/s
(D) The concentration of reactant decreases exponentially with time for a zero order reaction
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Which one of these tripositive ions is the most stable in aqueous solution?

"An alkyl halide with molecular formula \(C6H13Br\) on dehydrohalogenation gave two isomeric alkenes \(A\) and \(B\) with molecular formula \(C6H12\). On reductive ozonolysis, \(A\) and \(B\) gave four compounds \(CH3COCH3\), \(CH3CHO\), \(CH3CH2CHO\) and \((CH3)2CHCHO\). The alkyl halide is :"

What is the reagent used in Clemmensen reduction?

Which of the following represents Ohm's law for a conducting material?

Which of the following is a statistic?

The desirable properties of materials for making permanent magnets are:

Which of the following statements is/are true with respect to the MTP (Amendment) Act, 2017 enacted by the GOI?
(A) A pregnancy may be terminated on certain considered grounds within the first 12 weeks of pregnancy on the opinion of two government registered medical practitioners.
(B) This act intends to reduce illegal abortions and consequent maternal mortality and morbidity.
(C) If the continuation of pregnancy involves a risk to the life of a pregnant woman, it can be terminated by the opinion of 3 government registered medical practitioners.
(D) If there is a substantial risk that the child born will be seriously handicapped, pregnancy can be terminated even if lasted for more than 12 weeks, but fewer than 24 weeks by the opinion of two government registered medical practitioners.
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The following system of equations has :
\(\begin{array}{l}x+2 y+3 z=1 \\x-y+4 z=0 \\2 x+y+7 z=1\end{array}\)