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Chemistry-

General

Easy

Question

Which of the following statement is correct about tropolone?

Tropolone has more stability and aromatic character than tropone
Tropolone has higher dipole moment than tropone
Tropolone has lower boiling point than tropone

The correct answer is: Tropolone has more stability and aromatic character than tropone

Related Questions to study

In which case first has higher solubility than second?
I) Phenol, Benzene
II) Nitrobenzene, Phenol
III) o–Hydroxybenzaldehyde, p–Hydroxy benzaldehyde
IV) CH₃CHO, CH₃–O–CH₃
V) o–Nitrophenol, p–Nitrophenol
VI)

In which case first has higher solubility than second?
I) Phenol, Benzene
II) Nitrobenzene, Phenol
III) o–Hydroxybenzaldehyde, p–Hydroxy benzaldehyde
IV) CH₃CHO, CH₃–O–CH₃
V) o–Nitrophenol, p–Nitrophenol
VI)

chemistry-General

If $alpha$ and $beta$ are the eccentric angles of the extremities of a focal chord of an ellipse, then the eccentricity of the ellipse is

If $alpha$ and $beta$ are the eccentric angles of the extremities of a focal chord of an ellipse, then the eccentricity of the ellipse is

The point $left parenthesis a comma 2 a right parenthesis$ is an interior point of the region bounded by the parabola $y to the power of 2 end exponent equals 16 x$ and the double ordinate through the focus Then ‘a’ belongs to the open interval

The point $left parenthesis a comma 2 a right parenthesis$ is an interior point of the region bounded by the parabola $y to the power of 2 end exponent equals 16 x$ and the double ordinate through the focus Then ‘a’ belongs to the open interval

parallel

Through the vertex $O$ ofthe parabola $y to the power of 2 end exponent equals 4 a x$ chords OP, OQ are drawn at right angles to each other If the locus of mid points of the chord PQ is a parabola then its vertex is

Through the vertex $O$ ofthe parabola $y to the power of 2 end exponent equals 4 a x$ chords OP, OQ are drawn at right angles to each other If the locus of mid points of the chord PQ is a parabola then its vertex is

The area of the trapezium whose vertices lie on the parabola $y to the power of 2 end exponent equals 4 x$ and its diagonals pass through $left parenthesis 1 , 0 right parenthesis$ and having length $fraction numerator 25 over denominator 4 end fraction$ units each is

The area of the trapezium whose vertices lie on the parabola $y to the power of 2 end exponent equals 4 x$ and its diagonals pass through $left parenthesis 1 , 0 right parenthesis$ and having length $fraction numerator 25 over denominator 4 end fraction$ units each is

The Locus of centre of circle which touches given circle externally and the given line is

The Locus of centre of circle which touches given circle externally and the given line is

parallel

If the length of tangents from $left parenthesis a comma b right parenthesis$ to the circles $x to the power of 2 end exponent plus y to the power of 2 end exponent minus 4 x minus 5 equals 0$ and $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 6 x minus 2 y plus 6 equals 0$ are equal then $10 a minus 2 b equals$

If the length of tangents from $left parenthesis a comma b right parenthesis$ to the circles $x to the power of 2 end exponent plus y to the power of 2 end exponent minus 4 x minus 5 equals 0$ and $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 6 x minus 2 y plus 6 equals 0$ are equal then $10 a minus 2 b equals$

The line $2 x plus 3 y equals 1$ cuts the circle $x to the power of 2 end exponent plus y to the power of 2 end exponent equals 4$ in $P$ and Q Then the equation of the smaller circle passing through $P$ and $Q$

The line $2 x plus 3 y equals 1$ cuts the circle $x to the power of 2 end exponent plus y to the power of 2 end exponent equals 4$ in $P$ and Q Then the equation of the smaller circle passing through $P$ and $Q$

If the angle between two equal circles with centres $left parenthesis 3 , 10 right parenthesis$ , $left parenthesis negative 5 , 4 right parenthesis blank$ is 12 $0 to the power of blank$ then the radius of the circle is

If the angle between two equal circles with centres $left parenthesis 3 , 10 right parenthesis$ , $left parenthesis negative 5 , 4 right parenthesis blank$ is 12 $0 to the power of blank$ then the radius of the circle is

parallel

The equation of the circle passing through the origin and the points of intersection of the circles $x to the power of 2 end exponent plus y to the power of 2 end exponent minus 4 x minus 6 y minus 3 equals 0 comma$ $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x minus 2 y minus 4 equals 0$

The equation of the circle passing through the origin and the points of intersection of the circles $x to the power of 2 end exponent plus y to the power of 2 end exponent minus 4 x minus 6 y minus 3 equals 0 comma$ $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x minus 2 y minus 4 equals 0$

The locus of a point such that difference of the squares of the tangents from it to two given circles is constant, is given by

The locus of a point such that difference of the squares of the tangents from it to two given circles is constant, is given by

Radical centre of the circles $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x minus 6 y minus 12 equals 0 comma$ $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x minus 6 y plus 2 equals 0 comma$ $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x minus 6 y plus 4 equals 0$

Radical centre of the circles $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x minus 6 y minus 12 equals 0 comma$ $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x minus 6 y plus 2 equals 0 comma$ $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 4 x minus 6 y plus 4 equals 0$

parallel

The radical axis of circles $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 3 x plus 4 y minus 5$ $equals 0$ and $x to the power of 2 end exponent plus y to the power of 2 end exponent$ ‐5x $plus 5 y minus 6 equals 0$ is

The radical axis of circles $x to the power of 2 end exponent plus y to the power of 2 end exponent plus 3 x plus 4 y minus 5$ $equals 0$ and $x to the power of 2 end exponent plus y to the power of 2 end exponent$ ‐5x $plus 5 y minus 6 equals 0$ is

If the circle $3 x to the power of 2 end exponent plus 3 y to the power of 2 end exponent plus 10 x plus y minus 27 equals 0$ bisects the circumference ofthe circle $x to the power of 2 end exponent plus y to the power of 2 end exponent equals k$ then $k to the power of 2 end exponent minus 1 equals$

If the circle $3 x to the power of 2 end exponent plus 3 y to the power of 2 end exponent plus 10 x plus y minus 27 equals 0$ bisects the circumference ofthe circle $x to the power of 2 end exponent plus y to the power of 2 end exponent equals k$ then $k to the power of 2 end exponent minus 1 equals$

Two circles of equal radii $r ´$ cut orthogonally If their centres are $left parenthesis negative 2 comma negative 3 right parenthesis blank$ and $left parenthesis negative 5 comma blank minus 6 right parenthesis$ , then $r equals$

Two circles of equal radii $r ´$ cut orthogonally If their centres are $left parenthesis negative 2 comma negative 3 right parenthesis blank$ and $left parenthesis negative 5 comma blank minus 6 right parenthesis$ , then $r equals$

parallel

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