Question
Oxidation reaction involves loss of electrons, and reduction reaction involves gain of electrons. The reaction in which a species disproportionate into two oxidation states (lower and higher) is called disproportionate reaction Which of the following statements is wrong?
- An acidified
paper on being exposed to 
turns green
- Mercuric chloride and stannous chloride cannot exist as such
- Iron turning on addition to
solution Decolourises the blue Colour 
is formed but 
is not
paper on being exposed to turns green
solution Decolourises the blue Colour is formed but is notThe correct answer is: is formed but is not
Rotation of area about incident light doesn’t change the inclination of the light ray on the area.
Related Questions to study
This section contains five paragraphs. Based on each paragraph, 3-7 multiple choice questions have to be answered. Each question has four choices (a) , (b) , (c) , and (d) , out of which only one is correct, except in the paragraph for problem 19-25 Consider the following unbalanced redox reaction:
The oxidation number of X is-2, and neither X nor water is involved in the redox process
The element(s) undergoing oxidation is/are
This section contains five paragraphs. Based on each paragraph, 3-7 multiple choice questions have to be answered. Each question has four choices (a) , (b) , (c) , and (d) , out of which only one is correct, except in the paragraph for problem 19-25 Consider the following unbalanced redox reaction:
The oxidation number of X is-2, and neither X nor water is involved in the redox process
The element(s) undergoing oxidation is/are
Statement 1: and 
are both bleaching agents
Statement 2:Both are reducing agents
Statement 1: and are both bleaching agents
Statement 2:Both are reducing agents
Statement 1:Reduction of 3-phenyl prop-2-en-1-al with LAH gives 3-phenyl prpan-1-ol
Statement 2:Both the double bond and the aldehyde group of 
unsaturated aldehydes are reduced by LAH
Statement 1:Reduction of 3-phenyl prop-2-en-1-al with LAH gives 3-phenyl prpan-1-ol
Statement 2:Both the double bond and the aldehyde group of unsaturated aldehydes are reduced by LAH
Statement 1:A reaction between Fe and I2 occurs, but a reaction between 
and 
does not occur
Statement 2:Fe is a better reducing agent than
Statement 1:A reaction between Fe and I2 occurs, but a reaction between and does not occur
Statement 2:Fe is a better reducing agent than
If 
then 
If then
The Products (A) and (B) , respectively, are:
The Products (A) and (B) , respectively, are:
The cartesian equation of the plane passing through the line of intersection of the planes 
and 
and perpendicular to the plane 
is
The cartesian equation of the plane passing through the line of intersection of the planes and and perpendicular to the plane is
Identify(A) and (B) in the reaction:
Identify(A) and (B) in the reaction:
If 
then at 
is
If then at is
In the reaction 
In the reaction
The product (A) formed can:
The product (A) formed can:
Which of the following is the strongest oxidising agent?
Which of the following is the strongest oxidising agent?
Two circles with radii 
, touch each other externally. If 
be the angle between the direct common tangents, then
Two circles with radii , touch each other externally. If be the angle between the direct common tangents, then
In triangle ABC, medians AD and BE are drawn. If AD=4, 
and 
, then the area of the △ABC is
In triangle ABC, medians AD and BE are drawn. If AD=4, and , then the area of the △ABC is
of the source. The sources lie along y axis whereas a detector moves along + x-axis. Leaving the origin and far off points the number of points where maxima are observed is
