What is positional isomerism
Positional isomers are constitutional isomers, with the same carbon skeleton and will have the same functional group. They differ from... View Article
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Is ammonia an electrophile
Ammonia can act as both electrophile and nucleophile depending on the need for the reaction. Theoretically, ammonia doesn’t have any... View Article
What are polymers of amino acids called
Proteins are the polymers of amino acids.
Do double bonds increase acidity
The acidity of the double bond is greater than single bonds and the acidity of triple bond is more than... View Article
Can things move without force?
Yes, objects can move without external force. According to Newton’s first law of motion, every object continues in the state... View Article
Why is sulfuric acid so strong?
The strength of an acid is the tendency of the acid to dissociate into a proton, H+ and an anion... View Article
Why does hydrogen go to the negative electrode
Hydrogen after electrolysis has positive characteristics and moves towards the negative cathode while oxygen will have the negative characteristics and... View Article
Is H2Se reducing agent?
A reducing element is an electron donor. H2Se is not a reducing agent.
What is communication and purpose of communication
Communication is the exchange of information through different mediums. The purpose of the communication is to transmit data from the... View Article
Are acyl and acetyl the same?
The acyl and the acetyl groups are just a part of the molecules. A part of a molecule is called... View Article
If 3 and 4 are intercepts of a line L = 0, then the distance of L = 0 from the origin is
1) 5 units 2) 12 units 3) 5/12 unit 4) 12/5 units Solution: Given x intercept = 3 y intercept... View Article
The distance between the parallel lines y = x + a, y = x + b is
(1) |(b – a)|/√2 (2) |(a – b)| (3) |(a + b)| (4) |(b + a)|/√2 Solution: Given lines are... View Article
The distance between the lines 5x – 12y + 65 = 0 and 5x – 12y – 39 = 0 is
1) 4 2) 16 3) 2 4) 8 Solution: Given lies are 5x – 12y + 65 = 0 5x... View Article
The distance of the point (1, 2) from the line x + y + 5 = 0 measured along the line parallel to 3x – y = 7 is equal to
1) 4√10 2) 40 3) √40 4) 10√2 Solution: Given equation of line is 3x – y = 7 =>... View Article
A straight line through the point (1, 1) meets the X-axis at A and Y-axis at B. The locus of the midpoint of AB is
1) 2xy + x + y = 0 2) x + y – 2xy = 0 3) x + y... View Article
The number of integer values of m, for which the x-coordinate of the point of intersection of the lines 3x + 4y = 9 and y = mx + 1 is also an integer, is
1) 2 2) 0 3) 4 4) 1 Solution: Given 3x + 4y = 9 ..(i) y = mx +... View Article
If the lines ax + ky + 10 = 0, bx + (k + 1)y + 10 = 0 and cx + (k + 2)y + 10 = 0 are concurrent, then
1) a,b, c are in GP 2) a ,b, c are in HP 3) a ,b ,c are in AP... View Article
Let PS be the median of the triangle with vertices P(2, 2), Q(6, –1) and R(7, 3). The equation of the line passing through (1,–1) and parallel to PS is
1) 2x – 9y – 7 = 0 2) 2x – 9y – 11 = 0 3) 2x + 9y... View Article
If point P (a, b) lies on the straight line 3x + 2y = 13 and the point Q (b, a) lies on the straight line 4x – y = 5, then equation of the line PQ is
1) x – y = 5 2) x + y = 5 3) x + y = -5 4) x... View Article
If the slope of one of the lines represented by ax2 + 2hxy + by2 = 0 is the square of the other, then (a + b)/h + (8h2/ab) is
1) 3 2) 4 3) 5 4) 6 Solution: Given ax2 + 2hxy + by2 = 0 .(i) Let m... View Article
